Hot Racing aluminum transmission gearbox case for use in the Traxxas E-Revo
- CNC machined 6061 billet aluminum transmission case- Black anodized color- Aluminum internal gear axles mount- Reuses stock gears and transmission internals
- One aluminum transmission case
- Empty gear case. This does not include any gears, shafts, or bearings- This replaces part of Traxxas 3991X